Examples with EvaluationContext org.springframework.expression.EvaluationContext used on opensource projects

Example 31 with EvaluationContext

use of org.springframework.expression.EvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method projectionWithArray.

@Test
public void projectionWithArray() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("#testArray.![wrapper.value]");
    EvaluationContext context = new StandardEvaluationContext();
    context.setVariable("testArray", IntegerTestBean.createArray());
    Object value = expression.getValue(context);
    assertTrue(value.getClass().isArray());
    TypedValue typedValue = new TypedValue(value);
    assertEquals(Number.class, typedValue.getTypeDescriptor().getElementTypeDescriptor().getType());
    Number[] array = (Number[]) value;
    assertEquals(3, array.length);
    assertEquals(new Integer(5), array[0]);
    assertEquals(5.9f, array[1]);
    assertEquals(new Integer(7), array[2]);
}

Example 32 with EvaluationContext

use of org.springframework.expression.EvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method selectLastItemInSet.

@Test
public void selectLastItemInSet() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.$[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new SetTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof Integer);
    assertEquals(4, value);
}

Example 33 with EvaluationContext

use of org.springframework.expression.EvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method selectFirstItemInArray.

@Test
public void selectFirstItemInArray() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.^[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new ArrayTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof Integer);
    assertEquals(0, value);
}

Example 34 with EvaluationContext

use of org.springframework.expression.EvaluationContext in project spring-framework by spring-projects.

the class SpelReproTests method SPR13055_maps.

@Test
public void SPR13055_maps() {
    EvaluationContext context = new StandardEvaluationContext();
    ExpressionParser parser = new SpelExpressionParser();
    Expression ex = parser.parseExpression("{'a':'y','b':'n'}.![value=='y'?key:null]");
    assertEquals("[a, null]", ex.getValue(context).toString());
    ex = parser.parseExpression("{2:4,3:6}.![T(java.lang.Math).abs(#this.key) + 5]");
    assertEquals("[7, 8]", ex.getValue(context).toString());
    ex = parser.parseExpression("{2:4,3:6}.![T(java.lang.Math).abs(#this.value) + 5]");
    assertEquals("[9, 11]", ex.getValue(context).toString());
}

Example 35 with EvaluationContext

use of org.springframework.expression.EvaluationContext in project spring-framework by spring-projects.

the class SpelReproTests method accessingNullPropertyViaReflection_SPR5663.

@Test
public void accessingNullPropertyViaReflection_SPR5663() throws AccessException {
    PropertyAccessor propertyAccessor = new ReflectivePropertyAccessor();
    EvaluationContext context = TestScenarioCreator.getTestEvaluationContext();
    assertFalse(propertyAccessor.canRead(context, null, "abc"));
    assertFalse(propertyAccessor.canWrite(context, null, "abc"));
    try {
        propertyAccessor.read(context, null, "abc");
        fail("Should have failed with an AccessException");
    } catch (AccessException ae) {
    // success
    }
    try {
        propertyAccessor.write(context, null, "abc", "foo");
        fail("Should have failed with an AccessException");
    } catch (AccessException ae) {
    // success
    }
}